<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
</head>
<!-- 
    v-for 指令：
        1. 用于展示列表数据
        2. 语法：v-for="(item, index) in xxx" :key="yyy"
        3. 可遍历：数组、对象、字符串（用的很少）、指定次数（用的很少）
-->
<body>
    <div id="root">
        <!-- 遍历数组 -->
        <h2>人员列表 遍历数组</h2>
        <ul>
            <li v-for="(p, index) in persons" :key="index">
                {{p.name}}-{{p.age}}
            </li>
        </ul>
        <!-- 遍历对象 -->
        <h2>汽车信息 遍历对象</h2>
        <ul>
            <li v-for="(value, k) in car" :key="k">
                {{k}}：{{value}}
            </li>
        </ul>
        <!-- 遍历字符串 -->
        <h2>遍历字符串</h2>
        <ul>
            <li v-for="(char, index) in str" :key="index">
                {{index}}--{{char}}
            </li>
        </ul>
        <!-- 遍历指定次数 -->
        <h2>遍历指定次数</h2>
        <ul>
            <li v-for="(number, index) in 5" :key="index">
                {{index}}--{{number}}
            </li>
        </ul>
    </div>
</body>
<script>
    new Vue({
        el:'#root',
        data:{
            persons:[
                {id:'001', name:'张三', age:'19'},
                {id:'002', name:'李四', age:'20'},
                {id:'003', name:'王五', age:'21'}
            ],
            car:{
                name:'奥迪A8',
                price:'40万',
                color:'黑色'
            },
            str:'hello'
        }
    })
</script>
</html>